mbed library sources. Supersedes mbed-src.
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Diff: targets/TARGET_NUVOTON/TARGET_M451/gpio_api.c
- Revision:
- 153:9398a535854b
- Parent:
- 152:9a67f0b066fc
--- a/targets/TARGET_NUVOTON/TARGET_M451/gpio_api.c Thu Dec 15 11:48:27 2016 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,86 +0,0 @@ -/* mbed Microcontroller Library - * Copyright (c) 2015-2016 Nuvoton - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "gpio_api.h" -#include "mbed_assert.h" -#include "pinmap.h" -#include "mbed_error.h" -#include "PeripheralPins.h" - -uint32_t gpio_set(PinName pin) -{ - if (pin == (PinName) NC) { - return 0; - } - - uint32_t pin_index = NU_PINNAME_TO_PIN(pin); - -#if 1 - pin_function(pin, 0 << NU_MFP_POS(pin_index)); -#else - pinmap_pinout(pin, PinMap_GPIO); -#endif - - return (uint32_t)(1 << pin_index); // Return the pin mask -} - -void gpio_init(gpio_t *obj, PinName pin) -{ - obj->pin = pin; - - if (obj->pin == (PinName) NC) { - return; - } - - obj->mask = gpio_set(pin); -} - -void gpio_mode(gpio_t *obj, PinMode mode) -{ - if (obj->pin == (PinName) NC) { - return; - } - - pin_mode(obj->pin, mode); -} - -void gpio_dir(gpio_t *obj, PinDirection direction) -{ - if (obj->pin == (PinName) NC) { - return; - } - - uint32_t pin_index = NU_PINNAME_TO_PIN(obj->pin); - uint32_t port_index = NU_PINNAME_TO_PORT(obj->pin); - GPIO_T *gpio_base = NU_PORT_BASE(port_index); - - uint32_t mode_intern = GPIO_MODE_INPUT; - - switch (direction) { - case PIN_INPUT: - mode_intern = GPIO_MODE_INPUT; - break; - - case PIN_OUTPUT: - mode_intern = GPIO_MODE_OUTPUT; - break; - - default: - return; - } - - GPIO_SetMode(gpio_base, 1 << pin_index, mode_intern); -}